Bug 2536064 (CVE-2026-91782)

Summary: CVE-2026-91782 binutils: GNU Binutils: Denial of Service via null pointer dereference
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in GNU Binutils. A local attacker could exploit a null pointer dereference in the `elf_x86_allocate_dynrelocs` function. This vulnerability could lead to a Denial of Service (DoS) condition, making the affected system or application unavailable.
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Description OSIDB Bzimport 2026-09-17 14:28:59 UTC
A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.